<template>
  <!--    头部区域-->
  <el-container class="home-contround">
    <!--    页面主题区域-->
    <el-header>
      <div>
        <img src="../assets/heima.png" alt="">
        <span>电商后台管理</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <!--      y页面头部区域-->
    <el-container>
      <el-aside :width="isCollse ? '64px' :'200px'">
        <div class="toggle-button" @click="toggleCollapse"> |||</div>
<!--        侧边栏菜单区域-->
        <el-menu
          background-color="#333744"
          text-color="#fff"
          active-text-color="#409EFF" :unique-opened="true" :collapse="isCollse" :collapse-transition="false" router
          :default-active="activePath">
<!--          一级菜单-->
          <el-submenu :index="item.id+''" v-for="item in menuList" :key="item.id">
<!--            一级菜单的模板区局-->
            <template slot="title">
<!--              图标-->
              <i :class="iciObj[item.id]"></i>
<!--              选项卡一-->
              <span>{{item.authName}}</span>
            </template>

<!--              二级菜单-->
              <el-menu-item :index="'/'+sumbItem.path" v-for="sumbItem in item.children" :key="sumbItem.id" @click="saveNavState('/'+sumbItem.path)">
                <template slot="title">
                  <!--              图标-->
                  <i class="el-icon-menu"></i>
                  <!--              选项卡一-->
                  <span>{{sumbItem.authName}}</span>
                </template>
              </el-menu-item>
            </el-submenu>
        </el-menu>
      </el-aside>
<!--      Main部分-->
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  name: "Home",
  data(){
    return{
      //左侧菜单
      menuList:[],
      iciObj:{
       '125':'iconfont icon-user',
        '103':'iconfont icon-tijikongjian',
        '101':'iconfont icon-shangpin',
        '102':'iconfont icon-danju',
        '145':'iconfont icon-baobiao'
      },
      isCollse:false,
      activePath:''
    }
  },
  created() {
    this.getMenuList()
    this.activePath=window.sessionStorage.getItem('activePath')
  },
  methods:{
    logout(){
        window.sessionStorage.clear()
      this.$router.push('./login')
    },
    //获取所有的菜单
   async getMenuList(){
     const {data:res}=await this.$http.get('menus')
     if (res.meta.status !==200) return this.$message.error(res.meta.msg)
     this.menuList=res.data
     console.log(res)
    },
    //点击按钮切换菜单的折叠和展开
    toggleCollapse(){
    this.isCollse=!this.isCollse
    },
    //保存链接的激活文件
    saveNavState(activePath){
      window.sessionStorage.setItem('activePath',activePath)
      this.activePath=activePath
    }
  }
}
</script>

<style lang="less" scoped>
.home-contround{
  height: 100vh;

}
.el-header{
  background-color: #373d41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #ffecec;
  font-size: 20px;
  >div{
    display: flex;
    align-items: center;
    span{
      margin-left: 15px;
    }
  }
}
.el-aside{
  background-color: #333744;
}
.el-main{
  background-color: #EAEDF1;
  .el-menu{
  border-right: none;
  }
}
.iconfont{
  margin-right: 10px;
}
.toggle-button{
  background-color: #4A5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>
